BOARDMAN, Ohio--(BUSINESS WIRE)--Simon Roofing, a leading roofing manufacturer, installer and service provider, received ISO 9001:2008 certification for the company’s call center activities. ISO is an internationally recognized standard issued to organizations with a quality management system and was authorized by TÜVRheinland®, a premier global provider of independent testing and certification services. Headquartered in Boardman, Ohio, with regional offices and service centers t
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